01 — Press System
1250 Ton Four Pillar Hydraulic Press Machine
High-capacity 1250-ton four-pillar hydraulic press designed for heavy-duty thermoforming and compression molding of automotive firewall barriers. Features ultra-rigid pillar guiding to ensure exceptional platen parallelism and precise tonnage delivery across deep-draw geometries.
Use Case
Engineered for manufacturing complex, multi-layered firewall acoustic and thermal barriers separating the engine compartment from the vehicle cabin. Handles dense fiber matrices, heavy-gauge plastics, and multi-laminate composites under high-pressure thermal cycle times.
- Core Applications: Automotive firewall dash insulators and engine bulkhead thermal-acoustic shield compression molding. Deep-draw complex interior barrier panels requiring simultaneous high-density compaction and lamination.
- Material: Surface finish layers including nonwoven polyester felts, needle-punched fabrics, and TPO/PVC skins. Structural substrates incorporating PP/PET composites, glass fibers, natural fiber matrices, and PU foam.
- Products Processed: Engine side firewall barriers, interior dash insulators, lower bulkhead shields, and floor acoustic pads. Integrated thermal-acoustic engine compartment covers requiring deep-draw structural forming.
- Why 1250-Ton Hydraulic Press: Provides massive tonnage to compress dense, thick multi-layer composite stacks into intricate deep-draw firewall contours. Ensures uniform material density and flash-free edge seals while preventing delamination of heavy thermal-acoustic layers.
02 — Technical Specifications
SM 1250 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA
SM 1250 HP – Hydraulic Press Machine delivers high-capacity thermoforming with precise pressure and temperature control for automotive rear deck covers and firewalls. It ensures uniform compression of thick multi-layer composites, excellent structural strength, and consistent OEM-grade quality for critical insulation and structural components.
Capacity & Structural Design
- Rated Capacity: 1250 Tons (≈ 12,260 kN)
- Type: Fourpillar hydraulic hot press
- Frame: Heavy welded, stress-relieved structure
- Safety factor: ≥ 1.35–1.40
- Parallelism accuracy: ≤ 0.05–0.08 mm
Hydraulic System
- Cylinder: Doubleacting heavy-duty
- Bore: 600–700 mm
- Stroke: 800–1300 mm
- Working pressure: 30–32 MPa
- Control: Servo-proportional system (smooth forming control)
Thermoforming & Trimming Cycle
- Preheated composite loading
- Controlled mold closing
- Compression thermoforming
- Optional vacuum-assisted forming
- Cooling under pressure
- Integrated trimming and punching stage
- Mold opening
- Finished panel removal
Heated Platen System
- Heating options:
- Electric heaters (fast response)
- Thermal oil (high uniformity)
- Temperature range: 140–220°C
- Accuracy: ±2–3°C
- Multi-zone heating control
Cooling System
- Integrated mold cooling channels
- Chiller system integration
Cooling profile: 200°C → 60–80°C
Benefits:
- Dimensional stability
- No warpage
- Faster production
Working Envelope
- Platen size:
- Standard: 1800 × 1400 mm
- Optional: 2000 × 1500 mm
- Daylight: 1500–2200 mm
- Column diameter: 200–260 mm
Control System
- PLC: Siemens / Mitsubishi / Beckhoff
- HMI: Advanced recipe programming
- Monitoring:
- Pressure
- Temperature
- Time
- Vacuum
- Features:
- Data logging (automotive traceability)
- Industry 4.0 compatibility
- Safety PLC + interlocks
SM 1250 HP — Model Specifications
- Nominal Force: 12500 KN
- Maximum Hydraulic Pressure: 25 MPa
- Max Opening Height of the Slider: 1500 mm
- Max Stroke of the Slider: 900 mm
- Effective Bed Size: 1600 × 1600 mm
- Slider Down Speed: 180 mm/s
- Slider Pressing Speed: 6–15 mm/s
- Slider Return Speed: 200 mm/s
- Ejector Cylinder Nominal Force: 600 KN
- Stroke of the Ejection Cylinder: 300 mm
03 — Die / Mold System
Precision Automotive Rear Deck Covers and Firewalls Die Mold Engineering
Precision Automotive Rear Deck Covers & Firewalls Die Mold Engineering ensures accurate panel geometry, uniform thickness, and proper layering of multimaterial composites. It delivers consistent quality, strong structural integrity, and reliable thermal and acoustic insulation performance for critical automotive applications.
Technical Specifications
Mold Type
- Thermoforming + trimming integrated mold
- Compression-assisted forming system
Mold Materials
- Aluminum (high thermal conductivity)
- Steel inserts (cutting edges, wear areas)
Mold Construction
- Upper mold: Surface shaping + contour
- Lower mold:
- Structural geometry
- Reinforcement zones
- Guide system: Alignment accuracy ±0.02 mm
Heating System
- Multi-zone heating channels
- Uniform temperature control
Cooling System
- Integrated water cooling channels
- Controlled cooling flow
Benefits:
- Prevents deformation
- Ensures stability
Vacuum & Venting
- Vacuum ports (optional)
- Micro vent channels
Prevents:
- Air pockets
- Wrinkling
- Surface defects
Trimming System
- Hardened steel trimming blades
- CNC-machined cutting edges
- Integrated punching for:
- Holes
- Slots
- Assembly features
Surface Finish
| Product | Finish |
| Rear deck | Fabric/textured finish |
| Firewall | Functional thermal finish |
| Edges | Clean trimmed |
Mold Life: 150,000 – 300,000 cycles
Automotive Rear Deck Covers and Firewalls Die Mold
04 — Product Application
Where Automotive Rear Deck Covers and Firewalls Are Used
Automotive rear deck covers and firewalls are used in passenger vehicles, SUVs, and commercial vehicles for structural support and safety applications. They are typically installed behind seats and between the engine and cabin to provide thermal and acoustic insulation. These components help protect passengers from heat, reduce noise, and enhance overall vehicle durability and performance.
Industry Applications
Automotive OEM
In the automotive OEM sector, rear deck covers and firewalls are widely used in passenger cars, SUVs, and electric vehicles. They provide structural support, thermal insulation, and noise reduction, ensuring enhanced safety, comfort, and performance in modern vehicle designs.
Automotive Interiors &
In automotive interiors and engine compartments, rear deck covers and firewalls are used in rear parcel shelf systems, engine bay insulation panels, and trunk insulation panels. They provide structural support, thermal shielding, and noise reduction, enhancing cabin comfort, safety, and overall vehicle performance.
Commercial & Heavy Vehicles
In commercial and heavy vehicles, rear deck covers and firewalls are used in truck insulation systems and bus rear/firewall panels. They provide strong thermal insulation, noise reduction, and structural durability, ensuring reliable performance in demanding transport environments.
Transport Sector
In the transport sector, rear deck covers and firewalls are used in rail cabins for thermal and acoustic insulation as well as in aerospace interior insulation panels. They provide lightweight, high-performance solutions that enhance passenger comfort, reduce noise, and ensure thermal protection in advanced mobility systems.
| Industry | Scenario |
|---|---|
| Automotive OEM | Rear deck covers production |
| EV Industry | Lightweight thermal management panels |
| Commercial Vehicles | Engine insulation panels |
| Transport | Rail cabin insulation |
| Industrial | Acoustic panels |
Finished Product Gallery
05 — Key Advantages
Why Choose the 1250-Ton Sinter Hydraulic Press
The 1250-Ton Sinter Hydraulic Press offers high-capacity compression and precise thermoforming for large, multi-layer automotive panels. It ensures dense material consolidation, excellent thermal and acoustic insulation, and uniform pressure distribution. Designed for OEM applications, it delivers consistent, defect-free production with superior structural strength and durability.
Suitable for multi-layer composites
Optimized for molding complex multi-layer materials with uniform compression. It ensures proper bonding between layers, resulting in high structural strength, durability, and consistent performance in automotive insulation and structural panels.
Uniform forming of thick panels
Ensures even pressure distribution for consistent shaping of thick, multi-layer panels. It delivers uniform thickness, defect-free surfaces, and high structural integrity across large components.
Lightweight yet strong
Produces composite panels that combine reduced weight with high structural strength. This ensures improved vehicle efficiency while maintaining durability and performance in demanding automotive applications.
Excellent thermal insulation
Produces automotive panels with superior heat resistance and insulation properties. It ensures effective temperature control between engine and cabin, enhancing passenger safety, comfort, and overall vehicle performance.
Superior acoustic damping
Produces automotive panels with excellent noise absorption characteristics. It significantly reduces vibration and sound transmission, enhancing cabin comfort and overall driving experience.
Durable and corrosion-resistant
Produces composite panels with excellent resistance to corrosion, moisture, and environmental exposure. It ensures long-lasting durability and reliable performance in demanding automotive conditions.